Personal borg backup script

borgbackup.sh

#!/bin/sh
#
# Obviously substitute for your own:
TARGET="backups@backups:/backups"

# Contains BORG_REPO and BORG_PASSPHRASE, and optionally KEEP_n options seen below
. $HOME/.config/netborgbackup

export BORG_PASSPHRASE

OPTIONS="--stats"

if tty -s; then
    OPTIONS="$OPTIONS --verbose --progress"
fi

if [ ! "x$EXCLUDE_LIST" = "x" ]; then
    if [ -f "$EXCLUDE_LIST" ]; then
	    OPTIONS="$OPTIONS --exclude-from=\"$EXCLUDE_LIST\""
	fi
fi

borg create $OPTIONS \
	--one-file-system \
	$TARGET/$BORG_REPO::$(date +%Y%m%d%H%M%S) ./.config

borgret=$?
if [ $borgret -ne 0 ]; then
	echo "Backup failed: $borgret"
	exit $borgret
fi


KEEP_OPTIONS=""
if [ ! "X$KEEP_DAILY" = "x" ]; then
	KEEP_OPTIONS="$KEEP_OPTIONS --keep-daily=$KEEP_DAILY"
fi
if [ ! "x$KEEP_WEEKLY" = "x" ]; then
	KEEP_OPTIONS="$KEEP_OPTIONS --keep-weekly=$KEEP_WEEKLY"
fi
if [ ! "x$KEEP_MONTHLY" = "x" ]; then
	KEEP_OPTIONS="$KEEP_OPTIONS --keep-monthly=$KEEP_WEEKLY"
fi

borg prune $OPTIONS \
	$KEEP_OPTIONS \
	$TARGET/$BORG_REPO

# To automate, create borgbackup.timer:
# [Unit]
# Description=Run borg backup every night
# [Timer]
# OnCalendar=*-*-* 02:30:00
# [Install]
# WantedBy=multi-user.target
#
# And borgbackup.service:
# [Unit]
# Description=borg backup service
# [Service]
# Type=oneshot
# ExecStart=/usr/local/sbin/netborgbackup

# These can be in your user systemd folder or /etc/systemd/system/ depending. Then systemctl enable them.